* {
  margin: 0;
  padding: 0;
}
html {
  font-size: 50px;
}
body {
  min-width: 320px;
  width: 15rem;
  margin: 0 auto;
  line-height: 1.5;
  font-family: Arial, Helvetica, sans-serif;
  background-color: #F2F2F2;
  /* background-color: purple; */
}
div {
  box-sizing: border-box;
}
/* ======flex 垂直居中 水平居中 center_VH 给父亲及、加======*/
.center_VH {
  /* 水平垂直 */
  display: flex;
  justify-content: center;
  align-items: center;
}
.center_V {
  /* 垂直居中 */
  display: flex;
  align-items: center;
}
.center_H {
  /* 水平居中 */
  display: flex;
  justify-content: center;
}
.iconfont {
  font-family: "iconfont" !important;
  font-size: 16px;
  font-style: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
/* 阿里字体 */
@font-face {
  font-family: 'iconfont';
  src: url('iconfont.ttf?t=1629984090731') format('truetype');
}
/* fonts/icomoon.eot?cvlwwh */
/* 引入字体图标 */
@font-face {
  font-family: 'icomoon';
  src: url('../icomoon/fonts/icomoon.eot?cvlwwh');
  src: url('../icomoon/fonts/icomoon.eot?cvlwwh#iefix') format('embedded-opentype'), url('../icomoon/fonts/icomoon.ttf?cvlwwh') format('truetype'), url('../icomoon/fonts/icomoon.woff?cvlwwh') format('woff'), url('../icomoon/fonts/icomoon.svg?cvlwwh#icomoon') format('svg');
  font-weight: normal;
  font-style: normal;
  font-display: block;
}
@media screen and (min-width: 320px) {
  html {
    font-size: 21.33333333px;
  }
}
@media screen and (min-width: 360px) {
  html {
    font-size: 24px;
  }
}
@media screen and (min-width: 375px) {
  html {
    font-size: 25px;
  }
}
@media screen and (min-width: 384px) {
  html {
    font-size: 25.6px;
  }
}
@media screen and (min-width: 400px) {
  html {
    font-size: 26.66666667px;
  }
}
@media screen and (min-width: 414px) {
  html {
    font-size: 27.6px;
  }
}
@media screen and (min-width: 424px) {
  html {
    font-size: 28.26666667px;
  }
}
@media screen and (min-width: 480px) {
  html {
    font-size: 32px;
  }
}
@media screen and (min-width: 540px) {
  html {
    font-size: 36px;
  }
}
@media screen and (min-width: 720px) {
  html {
    font-size: 48px;
  }
}
@media screen and (min-widyh: 750px) {
  html {
    font-size: 50px;
  }
}
